diff --git a/poetry.lock b/poetry.lock
index 77623c8..43b05cd 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -28,50 +28,6 @@ files = [
 [package.extras]
 tests = ["mypy (>=0.800)", "pytest", "pytest-asyncio"]
 
-[[package]]
-name = "black"
-version = "24.8.0"
-description = "The uncompromising code formatter."
-optional = false
-python-versions = ">=3.8"
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-]
-
-[package.dependencies]
-click = ">=8.0.0"
-mypy-extensions = ">=0.4.3"
-packaging = ">=22.0"
-pathspec = ">=0.9.0"
-platformdirs = ">=2"
-
-[package.extras]
-colorama = ["colorama (>=0.4.3)"]
-d = ["aiohttp (>=3.7.4)", "aiohttp (>=3.7.4,!=3.9.0)"]
-jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
-uvloop = ["uvloop (>=0.15.2)"]
-
 [[package]]
 name = "cfgv"
 version = "3.4.0"
@@ -972,4 +928,4 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "ca9188453f62ec4470e2b2f8bc1e4a17ad421272f401328f82d6fede231dc737"
+content-hash = "eb741020e400664070ed1eee24a17b6a9c07a2f2d44103e4947279aa26a40315"
diff --git a/pyproject.toml b/pyproject.toml
index 0f5f6ca..7205de8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,6 @@ readme = "README.md"
 packages = [{include = "timetracker"}]
 
 [tool.poetry.group.dev.dependencies]
-black = "^24.4.2"
 mypy = "^1.10.1"
 pyyaml = "^6.0.1"
 pytest = "^8.2.2"